Harlie sits next to 4 phonetic neighbors — Harley, Charlie, and Marley are the closest matches by sound. Most share Harlie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hare's meadow, hare clearing"
"servant of St. Fillan"
"botanical variant name"
"resolute protector, will-helmet"
"famous ruler"
"happy, carefree, joyous"
"renowned, called"
"beloved, desired"
"Honor"
"flat piece, thin layer"
"sun, moon"
"gift"
"bright fame"
"princess, noblewoman"
Similar sound: These names share phonetic patterns with Harlie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English hara + leah origins, giving them the same cultural heritage as Harlie.
Rhythm: Harlie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.